45010

Appears in sequences

• Numbers such that the digital sum base 2 and the digital sum base 5 and the digital sum base 10 all are equal.at n=30A135125
• Numbers such that the digital sums in bases 2, 3, 5 and 10 all are equal.at n=7A135128
• Numbers n such that if x=sigma(n)-tau(n)-n then n=sigma(x)-tau(x)-x.at n=27A238227
• Number of partitions p of n such that (number of even numbers in p) = (number of odd numbers in p).at n=50A241638
• Numbers k such that Bernoulli number B_{k} has denominator 4686.at n=35A295770
• Number of powerful rooted trees with n nodes.at n=32A317707
• Total number of parts coprime to n in the partitions of n into 7 parts.at n=46A363325
• a(n) is the least positive integer that can be expressed as the sum of one or more consecutive n-almost primes in exactly n ways, or -1 if no such integer exists.at n=4A365507